Datasheet

9.0 Electrical Specifications (Continued)
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9.4 100 Mb/s AC Timing
9.4.1 100 Mb/s MII Transmit Timing
9.4.2 100 Mb/s MII Receive Timing
Parameter Description Notes Min Typ Max Units
T4.1.1 TXD[3:0], TX_EN, TX_ER Data Setup to
TX_CLK
100 Mb/s Normal mode 14 ns
TXD[4:0] Data Setup to TX_CLK 100 Mb/s Symbol mode 10 ns
T4.1.2 TXD[3:0], TX_EN, TX_ER Data Hold from
TX_CLK
100 Mb/s Normal mode -1 ns
TXD[4:0] Data Hold from TX_CLK 100 Mb/s Symbol mode -1 ns
Parameter Description Notes Min Typ Max Units
T4.2.1 RX_EN to RX_CLK, RXD[3:0], RX_ER,
RX_DV Active
All 100 Mb/s modes 15 ns
T4.2.2 RX_EN to RX_CLK, RXD[3:0], RX_ER,
RX_DV TRI-STATE
All 100 Mb/s modes 25 ns
T4.2.3 RX_CLK to RXD[3:0], RX_DV, RX_ER Delay 100 Mb/s Normal mode 10 30 ns
RX_CLK to RXD[4:0], Delay 100 Mb/s Symbol mode 10 30 ns
T4.2.4 RX_CLK Duty Cycle All 100 Mb/s modes 35 65 %
TX_CLK
TXD[3:0]
TX_EN
TX_ER
VALID DATA
T4.1.1
T4.1.2
RX_CLK
RXD[3:0]
RX_DV
RX_ER
VALID DATA
RX_EN
T4.2.1
T4.2.2
T4.2.3
T4.2.4